local default_biz = "default_biz"

function _default_biz()
    return coroutine.create(function ()
        while true do
            print("In default biz")
            reply.setContent("Unknown service")
            reply.pushHeader("Content-Length", "0")
            reply.setStatus(reply.status_type.ok)
            coroutine.yield()
        end
    end)
end

f[default_biz] = _default_biz()
